Foreword - What are Engineering Standards?
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ES - Piping Material Specification

  1. Table of contents
  2. Scope, codes, standards and references
  3. General and specific requirements
  4. Abbreviations for piping specifications
  5. Valve tag numbering
  6. Standard installation detail - Utility Station
  7. Special fabricated larger diameter reducers
  8. Four weld 90° LR Miter elbow
  9. Two weld 45° LR Miter elbow
  10. Perforated temporary conical strainers
  11. T-Type strainers
  12. Drip ring
  13. Product sampler cooler
  14. Tolerances for pipe fabrication
  15. Line Blinds NPS 1/2 - NPS 60

Standards and Codes

Standards, codes, specifications are extremely important - often essential - technical documents in engineering and related technical fields.

Standards: a technical standard is an established norm or requirement. It is usually a formal document that establishes uniform engineering or technical criteria, methods, processes and practices. The documents prepared by a professional group or committee which are believed to be good and proper engineering practices and which contain mandatory requirement.

Codes: a code is a set of rules and specifications or systematic procedures for design, fabrication, installation and inspection methods prepared in such a manner that it can be adopted by legal jurisdiction. Codes can be approved by local, state or federal governments and can carry the force of law. The main purpose of codes is to protect the public by setting up the minimum acceptable level of safety for buildings, products and processes.

Pipe Fabrication Institute

Pipe Fabrication Institute

The primary purpose of the Pipe Fabrication Institute is to promote the highest standards of excellence in the pipe fabrication industry.

The Pipe Fabrication Institute (PFI) publishes advisory Engineering Standards (ES) and Technical Bulletins (TB) intended to serve the needs of the pipe-fabricating industry at the design level and in actual shop operations.

The PFI standards contain minimum requirements; however, the designer or fabricator may consider specifying additional requirements beyond the scope of PFI publications. The use of PFI standards or bulletins is voluntary. A listing of PFI publications follows:

Engineering and Fabrication

Welding and Fabrication

Cleaning, Painting, and Shipping

Quality Control

Examination and Testing

Example of Engineering Standard

On the right of this page you will find a link (ES) that opens a small menu. Through this menu you can open several pages that give you an example, how an Engineering Standard might look like. Remember, the shown ES on this website only is an example!

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